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CITY · 1990 CENSUS

St. Peters

Missouri · 45,779 residents · 22.479 sq mi
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The short version

St. Peters is significantly wealthier than the US average, with a median household income of $45,298. Population has declined 11% since 2000. Median home value is $86,100. Poverty is rare here, at 2.6% of residents. Households here earn about 72% more than the Missouri median.

At a glance
Wealthier
above the US median
US median: $30,130
Younger
median age 29.8
US median: 33.0
More educated
26% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
45,779
−11%vs 2000
vs 51,381 in 2000
1990 – 2025
Median age
29.8
−13%vs 2000
vs 34.2 in 2000
US average: 33.0
Population, 1990 – 2024
44K48K52K56K60K1990201020202024St. Peters
202459K
1990201020202024
Age distribution, 1990
Under 510.6%(4,874)
US avg: 7.3%
5 to 99.8%(4,494)
US avg: 7.3%
10 to 149.1%(4,148)
US avg: 6.9%
15 to 196.7%(3,054)
US avg: 7.1%
20 to 244.5%(2,074)
US avg: 7.5%
25 to 3421.8%(9,994)
US avg: 17.5%
35 to 4420.6%(9,416)
US avg: 15.1%
45 to 548.3%(3,797)
US avg: 10.2%
55 to 644.1%(1,855)
US avg: 8.5%
65 to 743.1%(1,428)
US avg: 7.3%
75 to 841.2%(540)
US avg: 4%
85 and over0.2%(105)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$45,298
+3%inflation adjusted, since 2000
vs $57,898 in 2000
US average: $30,130
1990 – 2024
Per capita income
$15,468
−32%vs 2000
vs $22,792 in 2000
US average: $14,340
Poverty rate
2.6%
−0.1 ptsvs 2000
vs 2.7% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$86,100
Unchangedinflation adjusted, since 2000
vs $113,000 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$529
+9%inflation adjusted, since 2000
vs $639 in 2000
US average: $450
Owner-occupied
83.7%
−1.7 ptsvs 2000
vs 85.4% in 2000
16.3% rent
RELATED:See current rent listings in St. Peters on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic93.3%(47,929)
Black2.8%(1,424)
Hispanic / Latino1.5%(768)
Asian1.2%(632)
Other0%
1990
White, non-Hispanic96.4%(44,138)
Black2.2%(1,029)
Hispanic / Latino1.2%(543)
Asian1%(446)
Other0.4%(166)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican1.5%(875)
Puerto Rican0.9%(507)
Dominican0.1%(79)
Guatemalan0.1%(50)
Peruvian0.1%(43)
Colombian0.1%(37)
Chilean0%(5)
Asian origin
Filipino0.8%(447)
Chinese0.7%(388)
Asian Indian0.6%(355)
Vietnamese0.1%(79)
Korean0.1%(69)
Bangladeshi0.1%(42)
Thai0.1%(36)
Nepalese0%(25)
Taiwanese0%(16)
Pakistani0%(13)
Pacific Islander origin
Samoan0%(12)
Ancestry
German32.3%(19,088)
Irish18.3%(10,802)
English13.1%(7,723)
American5.9%(3,490)
Italian5.6%(3,328)
French3.2%(1,884)
Polish3.1%(1,815)
Scottish1.9%(1,105)
Swedish1%(573)
Arab1%(564)
Norwegian0.8%(460)
Welsh0.7%(409)
+ 36 more ancestry groups with data
Egyptian0.6%(355)
Dutch0.6%(354)
Lithuanian0.6%(353)
Swiss0.6%(336)
Scotch-Irish0.6%(334)
British0.5%(303)
Danish0.5%(269)
Czech0.4%(246)
Russian0.3%(202)
Greek0.3%(188)
Austrian0.3%(166)
Finnish0.2%(132)
Palestinian0.2%(127)
Ethiopian0.2%(116)
Lebanese0.2%(113)
Hungarian0.2%(102)
Ukrainian0.2%(97)
Croatian0.1%(58)
Canadian0.1%(44)
West Indian0.1%(42)
Bulgarian0.1%(40)
Portuguese0.1%(34)
Nigerian0.1%(32)
Slovene0%(29)
Brazilian0%(28)
Latvian0%(24)
Slovak0%(19)
Haitian0%(19)
Jordanian0%(18)
Belgian0%(16)
Romanian0%(15)
Serbian0%(15)
Jamaican0%(12)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest American population · Largest Italian population
Section 05

Education

Bachelor's degree or higher
25.5%
−1.6 ptsvs 2000
vs 27.2% in 2000
US average: 20.3%
High school or higher
89.8%
−1.7 ptsvs 2000
vs 91.4% in 2000
US average: 75.2%
Graduate degree
6.3%
−0.9 ptsvs 2000
vs 7.2% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
26.0 min
+52%vs 2000
vs 17.1 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
Men 15+
Never married28.9%(6,542)
Married59.7%(13,497)
Widowed2.2%(498)
Divorced9.2%(2,086)
Women 15+
Never married27.1%(7,005)
Married50.3%(13,023)
Widowed8.9%(2,315)
Divorced13.7%(3,552)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Head to head

Compare St. Peters to nearby cities

ST. PETERS VS
St. Charles
Income$85,937+90%
Home value$298,700+247%
Population72,561+18%
SEE FULL COMPARISON →
ST. PETERS VS
O'Fallon
Income$110,443+144%
Home value$326,200+279%
Population96,101+56%
SEE FULL COMPARISON →
ST. PETERS VS
Dardenne Prairie
Income$152,500+237%
Home value$432,000+402%
Population15,032−76%
SEE FULL COMPARISON →
ST. PETERS VS
Maryland Heights
Income$86,436+91%
Home value$227,000+164%
Population27,559−55%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Peters, Missouri?

St. Peters, Missouri has about 45,779 residents according to the 1990 Census.

What is the median household income in St. Peters, Missouri?

The typical household in St. Peters, Missouri earns about $45,298 a year. Half of households make more than that, and half make less.

Is St. Peters, Missouri expensive?

In St. Peters, Missouri, the median home is worth about $86,100, and the typical rent is about $529 a month.

How educated are people in St. Peters, Missouri?

About 25.5% of adults age 25 and over in St. Peters, Missouri hold a bachelor's degree or higher.

What is the poverty rate in St. Peters, Missouri?

About 2.6% of people in St. Peters, Missouri live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →